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arm: exynos: pinmux: add sdmmc4 gpio configratuion 

For use dwmmc controller at exynos4, add SDMMC4 gpio configuration.

Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Tested-by: Piotr Wilczek <p.wilczek@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Piotr Wilczek <p.wilczek@samsung.com>
Cc: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
This commit is contained in:
Beomho Seo 2014-05-16 13:59:46 +09:00 committed by Minkyu Kang
parent d2f588f3b8
commit 77ee62d882
1 changed files with 29 additions and 6 deletions
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35
arch/arm/cpu/armv7/exynos/pinmux.c
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@ -573,15 +573,26 @@ static void exynos4_i2c_config(int peripheral, int flags)
static int exynos4_mmc_config(int peripheral, int flags)
{
int i, start = 0, start_ext = 0;
unsigned int func, ext_func;
switch (peripheral) {
case PERIPH_ID_SDMMC0:
start = EXYNOS4_GPIO_K00;
start_ext = EXYNOS4_GPIO_K13;
func = S5P_GPIO_FUNC(0x2);
ext_func = S5P_GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC2:
start = EXYNOS4_GPIO_K20;
start_ext = EXYNOS4_GPIO_K33;
func = S5P_GPIO_FUNC(0x2);
ext_func = S5P_GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC4:
start = EXYNOS4_GPIO_K00;
start_ext = EXYNOS4_GPIO_K13;
func = S5P_GPIO_FUNC(0x3);
ext_func = S5P_GPIO_FUNC(0x4);
break;
default:
return -1;
@ -589,13 +600,14 @@ static int exynos4_mmc_config(int peripheral, int flags)
for (i = start; i < (start + 7); i++) {
if (i == (start + 2))
continue;
gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
gpio_cfg_pin(i, func);
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
gpio_set_drv(i, S5P_GPIO_DRV_4X);
}
/* SDMMC2 do not use 8bit mode at exynos4 */
if (flags & PINMUX_FLAG_8BIT_MODE) {
for (i = start_ext; i < (start_ext + 4); i++) {
gpio_cfg_pin(i, S5P_GPIO_FUNC(0x3));
gpio_cfg_pin(i, ext_func);
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
gpio_set_drv(i, S5P_GPIO_DRV_4X);
}
@ -676,15 +688,26 @@ static void exynos4x12_i2c_config(int peripheral, int flags)
static int exynos4x12_mmc_config(int peripheral, int flags)
{
int i, start = 0, start_ext = 0;
unsigned int func, ext_func;
switch (peripheral) {
case PERIPH_ID_SDMMC0:
start = EXYNOS4X12_GPIO_K00;
start_ext = EXYNOS4X12_GPIO_K13;
func = S5P_GPIO_FUNC(0x2);
ext_func = S5P_GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC2:
start = EXYNOS4X12_GPIO_K20;
start_ext = EXYNOS4X12_GPIO_K33;
func = S5P_GPIO_FUNC(0x2);
ext_func = S5P_GPIO_FUNC(0x3);
break;
case PERIPH_ID_SDMMC4:
start = EXYNOS4_GPIO_K00;
start_ext = EXYNOS4_GPIO_K13;
func = S5P_GPIO_FUNC(0x3);
ext_func = S5P_GPIO_FUNC(0x4);
break;
default:
return -1;
@ -692,13 +715,13 @@ static int exynos4x12_mmc_config(int peripheral, int flags)
for (i = start; i < (start + 7); i++) {
if (i == (start + 2))
continue;
gpio_cfg_pin(i, S5P_GPIO_FUNC(0x2));
gpio_cfg_pin(i, func);
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
gpio_set_drv(i, S5P_GPIO_DRV_4X);
}
if (flags & PINMUX_FLAG_8BIT_MODE) {
for (i = start_ext; i < (start_ext + 4); i++) {
gpio_cfg_pin(i, S5P_GPIO_FUNC(0x3));
gpio_cfg_pin(i, ext_func);
gpio_set_pull(i, S5P_GPIO_PULL_NONE);
gpio_set_drv(i, S5P_GPIO_DRV_4X);
}
@ -759,10 +782,10 @@ static int exynos4_pinmux_config(int peripheral, int flags)
break;
case PERIPH_ID_SDMMC0:
case PERIPH_ID_SDMMC2:
case PERIPH_ID_SDMMC4:
return exynos4_mmc_config(peripheral, flags);
case PERIPH_ID_SDMMC1:
case PERIPH_ID_SDMMC3:
case PERIPH_ID_SDMMC4:
debug("SDMMC device %d not implemented\n", peripheral);
return -1;
default:
@ -794,10 +817,10 @@ static int exynos4x12_pinmux_config(int peripheral, int flags)
break;
case PERIPH_ID_SDMMC0:
case PERIPH_ID_SDMMC2:
case PERIPH_ID_SDMMC4:
return exynos4x12_mmc_config(peripheral, flags);
case PERIPH_ID_SDMMC1:
case PERIPH_ID_SDMMC3:
case PERIPH_ID_SDMMC4:
debug("SDMMC device %d not implemented\n", peripheral);
return -1;
default: